Arduino UNO SPI Operation

[Deltaflyer]

@johnwasser

if (digitalRead(redButton) == HIGH); //begin red IF
if (digitalRead(grnButton) == LOW); //begin green IF
if (digitalRead(bluButton) == LOW); //begin blue IF

No!
if (digitalRead(redButton) == HIGH) { Code to be executed when the condition is fulfilled }//begin red IF
if (digitalRead(grnButton) == LOW) { Code to be executed when the condition is fulfilled } //begin green IF
if (digitalRead(bluButton) == LOW) { Code to be executed when the condition is fulfilled } //begin blue IF

always WITHOUT ";"